From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/test/ui/impl-trait/impl_trait_projections.rs | 39 ++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/test/ui/impl-trait/impl_trait_projections.rs

(limited to 'src/test/ui/impl-trait/impl_trait_projections.rs')

diff --git a/src/test/ui/impl-trait/impl_trait_projections.rs b/src/test/ui/impl-trait/impl_trait_projections.rs
new file mode 100644
index 000000000..fd0986d7c
--- /dev/null
+++ b/src/test/ui/impl-trait/impl_trait_projections.rs
@@ -0,0 +1,39 @@
+use std::fmt::Debug;
+use std::option;
+
+fn parametrized_type_is_allowed() -> Option<impl Debug> {
+    Some(5i32)
+}
+
+fn path_parametrized_type_is_allowed() -> option::Option<impl Debug> {
+    Some(5i32)
+}
+
+fn projection_is_disallowed(x: impl Iterator) -> <impl Iterator>::Item {
+//~^ ERROR `impl Trait` is not allowed in path parameters
+//~^^ ERROR ambiguous associated type
+    x.next().unwrap()
+}
+
+fn projection_with_named_trait_is_disallowed(x: impl Iterator)
+    -> <impl Iterator as Iterator>::Item
+//~^ ERROR `impl Trait` is not allowed in path parameters
+{
+    x.next().unwrap()
+}
+
+fn projection_with_named_trait_inside_path_is_disallowed()
+    -> <::std::ops::Range<impl Debug> as Iterator>::Item
+//~^ ERROR `impl Trait` is not allowed in path parameters
+{
+    (1i32..100).next().unwrap()
+}
+
+fn projection_from_impl_trait_inside_dyn_trait_is_disallowed()
+    -> <dyn Iterator<Item = impl Debug> as Iterator>::Item
+//~^ ERROR `impl Trait` is not allowed in path parameters
+{
+    panic!()
+}
+
+fn main() {}
-- 
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